On a rainy night in Seoul, seventeen-year-old Min-jun boards the last bus home after a long day. During the journey, he notices a mysterious young woman carrying a silver suitcase. When she accidentally leaves the suitcase behind and disappears into the night, Min-jun decides to return it.His search leads him to a strange apartment building hidden among the city's towering skyscrapers. There, he encounters unexpected dangers and discovers that the woman is being pursued by unknown individuals. As the mystery deepens, Min-jun becomes caught in a series of puzzling events that challenge his courage and curiosity.With unanswered questions surrounding the silver suitcase and the identity of its owner, Min-jun embarks on an unforgettable adventure through the streets of modern Seoul. Filled with suspense, mystery, and unexpected twists, The Silver Suitcase is a contemporary fictional story that keeps readers wondering what secrets lie hidden inside the suitcase and whether the truth will ever be revealed.